Riello Battery extension box –
Model: BB SDH 72-A3
7Ah Battery Extension Packsfor the Sentinel Dual UPS model SDH 2200 and SDH 3000 Riello UPS.
The battery extension pack plugs into the UPS rear panel battery extension connector to provide extended runtime (battery backup) support for the load connected to the UPS.
One unit provides 10 minute runtime on the Riello SDH2200 and 13 minutes on the Riello SDH3000